| Description | Date | Identifier | |
| Instructional page for the Empress High Pressure Lubricating System, highlighting its features. | 7th Apr 1921 | Box 42 \ 5 Scan102 | |
| Promotional leaflet for the Empress High Pressure Lubricating System, detailing its operation, components, and advantages. | 7th Apr 1921 | Box 42 \ 5 Scan103 | |
| Product specification sheet for the Empress High Pressure Lubricating System and its components. | 9th Apr 1921 | Box 42 \ 5 Scan104 | |
| Cover note forwarding a letter from Messrs. T.B. Andre & Co. Ltd. requesting comments. | 9th Apr 1921 | Box 42 \ 5 Scan105 | |
| Letter from T.B. Andre & Co. Ltd. regarding a chassis lubricating system and improved grease gun. | 6th Apr 1921 | Box 42 \ 5 Scan106 | |
| Letter from T.B. ANDRE & CO.LTD. detailing the costs and advantages of their grease gun lubrication system. | 10th Dec 1920 | Box 42 \ 5 Scan107 | |
| Cover letter attaching correspondence from Messrs. Rotherham & Sons regarding a grease gun. | 11th Apr 1921 | Box 42 \ 5 Scan108 | |
| Copy of a letter from Rotherham & Sons, Ltd. arranging a visit to demonstrate a patent lubrication device. | 8th Apr 1921 | Box 42 \ 5 Scan109 | |
| Attached letter from Ernest H. Hill Ltd. and requesting a sample 'Alemite' connection. | 11th Apr 1921 | Box 42 \ 5 Scan110 | |
| Letter from Ernest H. Hill Limited regarding the manufacture of an 'Alemite' Grease Gun. | 8th Apr 1921 | Box 42 \ 5 Scan111 | |
| Reviewing the specifications and performance of a grease gun supplied by Mr. Day. | 14th Apr 1921 | Box 42 \ 5 Scan112 | |
| The weights of various empty grease guns. | 14th Apr 1921 | Box 42 \ 5 Scan113 | |
| Order document for a new type grease gun, brass nipples, and grease cartridges. | 23th Apr 1921 | Box 42 \ 5 Scan114 | |
| Cover letter requesting criticism on a grease gun received from T.B. Andre & Co. Ltd. | 25th Apr 1921 | Box 42 \ 5 Scan115 | |
| Letter from T.B. Andre & Co. regarding an improved pressure lubrication outfit with a new grease cartridge system. | 21th Apr 1921 | Box 42 \ 5 Scan116 | |
| Attaching letters from Ernest H. Hill Ltd. and Rotherham & Sons, Ltd. and requesting the return of samples. | 4th May 1921 | Box 42 \ 5 Scan117 | |
| Letter from Ernest H. Hill, Limited regarding patented Grease Injector samples. | 3rd May 1921 | Box 42 \ 5 Scan118 | |
| Copy of a letter from Rotherham & Sons Ltd. chasing the dispatch of a sample grease pump and connections required for a patent. | 3rd May 1921 | Box 42 \ 5 Scan119 | |
| Issues with rear spring shackle lubrication and proposing the consideration of an improved method. | 10th May 1921 | Box 42 \ 5 Scan120 | |
| The difficulty of forcing grease through shackles with existing lubricators and a proposed solution. | 10th Dec 1920 | Box 42 \ 5 Scan121 | |
| Pressure-fed grease caps and lubricators, comparing the U.S.A. 'Alemite' system with samples from various UK suppliers. | 11th May 1921 | Box 42 \ 5 Scan122 | |
| Report evaluating pressure-fed grease lubrication systems, including the 'Alemite' system and samples from various suppliers. | 11th May 1921 | Box 42 \ 5 Scan123 | |
| Recommendation to standardise the 'Alemite' lubrication system after fitting it to an experimental car. | 11th May 1921 | Box 42 \ 5 Scan124 | |
| Covering letter forwarding correspondence from Messrs. T.P. Andre & Co. Ltd. regarding a sample T.A.P. Lubrication Outfit. | 30th May 1921 | Box 42 \ 5 Scan125 | |
| Letter from T.B. Andre & Co. regarding the testing of a T.A.R. Lubrication Outfit and its potential standardisation. | 27th May 1921 | Box 42 \ 5 Scan126 | |
| Comparative analysis of Rimtco and Alemite lubricators and nipples. | 3rd Jun 1921 | Box 42 \ 5 Scan127 | |
| Centralized grease pressure system for quick vehicle lubrication compared to standard grease cups. | 10th Dec 1920 | Box 42 \ 5 Scan128 | |
| Cover memo forwarding a copy of a letter and samples received from Messrs. Brown Bros. Ltd. | 6th Jul 1921 | Box 42 \ 5 Scan129 | |
| Letter from Brown Brothers Limited regarding a sample of a valve stem lubricator. | 5th Jul 1921 | Box 42 \ 5 Scan130 | |
| Request for particulars about the Myers System of Lubrication. | 18th Jul 1921 | Box 42 \ 5 Scan131 | |
| Promotional leaflet and tear-off order form for the 'Ex-a-gun' forced lubrication system. | 18th Jul 1921 | Box 42 \ 5 Scan132 | |
| Promotional leaflet for the 'Ex-a-gun' forced lubrication system, listing parts, prices, and complete outfits. | 8th Nov 1921 | Box 42 \ 5 Scan133 | |
| Sales letter from Ex-a-gun Ltd. detailing their forced lubrication system and grease terminals. | 8th Nov 1921 | Box 42 \ 5 Scan134 | |
| Letter from an automobile component supplier regarding a sample T.A.B. Grease Gun Lubricating System sent for testing. | 5th Jul 1922 | Box 42 \ 5 Scan135 | |
| Page two of a letter from T.B. Andre & Co. Ltd. regarding a quotation for equipment. | 10th Jul 1922 | Box 42 \ 5 Scan136 | |
| Returning a loaned flexible connection for a T.A.B. Grease Gun to be replaced with an improved model. | 10th Jul 1922 | Box 42 \ 5 Scan137 | |
| Letter regarding a broken grease gun received for testing and a request for a replacement. | 10th Jul 1922 | Box 42 \ 5 Scan138 | |
| Design and features of a T.A.B. grease gun. | 20th Jul 1922 | Box 42 \ 5 Scan139 | |
| T.A.B. spring grip type grease or oil gun, detailing its specifications and usage. | 20th Jul 1922 | Box 42 \ 5 Scan140 | |
| Letter from Joseph Kaye & Sons Ltd acknowledging an order for Cans and holders. | 18th Aug 1922 | Box 42 \ 5 Scan141 | |
| Reprint from 'THE AUTOCAR' magazine detailing the new Kaye miniature pattern oil can. | 14th Jan 1922 | Box 42 \ 5 Scan142 | |
| Request to Messrs. Kaye & Sons, Ltd. for three sample Force-Feed Oilcans for testing. | 17th Aug 1922 | Box 42 \ 5 Scan143 | |
| Request to obtain three Force-Feed Oil Cans from Messrs Kaye & Sons for the Goshawk II Tool Kit. | 15th Aug 1922 | Box 42 \ 5 Scan144 | |
| Request for three Force-Feed Oil Guns from Messrs Kaye & Sons for the Goshawk II tool kit. | 15th Aug 1922 | Box 42 \ 5 Scan145 | |
| Requesting a formal requisition for 3 oil cans and holders obtained for the Experimental Dept. | 2nd Nov 1922 | Box 42 \ 5 Scan146 | |
| The retention and charging of three oil cans from Jos. Kay Ltd. for use on experimental cars. | 16th Nov 1922 | Box 42 \ 5 Scan147 | |
| Evaluation of the 'Ex-a-gun' lubricating system for potential standardization. | 18th Nov 1922 | Box 42 \ 5 Scan148 | |
| Clarifying the British origin of the Enots Lubricator and comparing it to the 'Ex-a-gun'. | 20th Nov 1922 | Box 42 \ 5 Scan149 | |
| British origin of the 'Enots' scheme' and the examination of an 'Ex-a-gun'. | 22th Nov 1922 | Box 42 \ 5 Scan150 | |
| Evaluation of an 'Ex-a-gun' outfit, which was found to be inferior to the existing scheme and was subsequently returned. | 23th Nov 1922 | Box 42 \ 5 Scan151 | |
| Sending an 'Ex-a-gun' and parts to the stores, with instructions for their return after trial. | 23th Nov 1922 | Box 42 \ 5 Scan152 | |
| Suitability of the Prima Automatic Grease Gun. | 12th Dec 1922 | Box 42 \ 5 Scan153 | |
| Sample Partridge Grease Gun and Spigots sent for testing and criticism. | 13th Feb 1923 | Box 42 \ 5 Scan154 | |
| Patent Spring Cover for Grease Spigots for use with the Partridge Grease Gun. | 17th Feb 1923 | Box 42 \ 5 Scan155 | |
| Letter from Partridges Limited regarding a sample of a patent Spring Cover for Grease Spigots. | 13th Feb 1923 | Box 42 \ 5 Scan156 | |
| The unsatisfactory testing of a Partridge grease gun and lubricators. | 8th Mar 1923 | Box 42 \ 5 Scan157 | |
| Request to test a sample 'Jiffy' Grease Gun with nipples and adapters from the Omnia Utility Co. | 13th Mar 1923 | Box 42 \ 5 Scan158 | |
| Request to test a 'Jiffy' Grease Gun and sample nipple against the existing 'Enots' Grease Gun. | 18th Apr 1923 | Box 42 \ 5 Scan159 | |
| Unsuitability of a 'Jiffy' Grease Gun and Nipple and instructing its return to the supplier. | 5th May 1923 | Box 42 \ 5 Scan160 | |
| Replacing the oil syringe with a Lucas No.40 Oiler in the 40/50 tool kit and a subsequent customer complaint. | 3rd Jun 1923 | Box 42 \ 5 Scan161 | |
| Letter from The British Piston Ring Co. Ltd. introducing a new wick-feed Shackle Bolt and lift-lid Oiler. | 27th Jul 1923 | Box 42 \ 5 Scan162 | |
| Advertisement for a BRICO shackle bolt lubrication system. | 14th Sep 1923 | Box 42 \ 5 Scan163 | |
| Testing of a Tecalemit Grease Gun and system. | 14th Sep 1923 | Box 42 \ 5 Scan164 | |
| Letter from R.A. Chalmers regarding a sample Tecalemit Grease Gun and plugs sent for testing. | 21th Aug 1923 | Box 42 \ 5 Scan165 | |
| Letter proposing the Tecalemit System of High Pressure Grease Lubrication for introduction and manufacture. | 15th Aug 1923 | Box 42 \ 5 Scan166 | |
| Returning a Técalémit Grease Gun and a tin of grease as it is not considered worth testing. | 15th Sep 1923 | Box 42 \ 5 Scan167 | |
| Standardisation of lubricators on axle brake brackets to make them more accessible. | 24th Sep 1923 | Box 42 \ 5 Scan168 | |
| Necessary adjustments for the accessibility of lubricators on the E.A.C.-111 chassis. | 30th Nov 1923 | Box 42 \ 5 Scan169 | |
| Inquiring about issues with grease caps falling off experimental and other cars at the works. | 14th Dec 1923 | Box 42 \ 5 Scan170 | |
| Issues with grease caps falling off Enots Lubricators and the resolution with a new design. | 18th Dec 1923 | Box 42 \ 5 Scan171 | |
| Evaluation of a Teclaemit lubrication gun and nipples seen on a Lorraine-Deitritch vehicle at a show. | 2nd Feb 1924 | Box 42 \ 5 Scan172 | |
| Report from France about lubricators on front spring leather covers fouling the undershields due to insufficient clearance. | 1st Jun 1925 | Box 42 \ 5 Scan173 | |
| Recommending the adoption of Enots super grease guns with a high pressure attachment. | 1st Sep 1925 | Box 42 \ 5 Scan174 | |
| The positioning of the Lucas Oiler on a 40/50 HP Chassis following a 250-mile test run. | 28th May 1926 | Box 42 \ 5 Scan175 | |
| Sample high-pressure grease gun from The Aston Chain & Hook Company, Ltd, with operating instructions. | 17th Jan 1927 | Box 42 \ 5 Scan176 | |
| Comparing sample oilers from two different suppliers, Benton & Stone Ltd. and Jos. Lucas Ltd. | 5th Nov 1931 | Box 42 \ 5 Scan177 | |
| Oilers for a chassis kit and requesting a report on samples due to low stock. | 12th Nov 1931 | Box 42 \ 5 Scan178 | |
| Standardisation of chassis parts, specifically the Enots Autolub Grease Gun No. 5A. | 8th Jan 1932 | Box 42 \ 5 Scan179 | |
| Standardisation form for a new chassis part. | 22th Aug 1932 | Box 42 \ 5 Scan180 | |
| Standardisation proposal for eliminating the Kay's No. 81 Oil Can due to the installation of an automatic chassis lubrication system. | 8th Jan 1932 | Box 42 \ 5 Scan181 | |
| The standardisation of chassis parts, specifically to replace existing Lucas Motor Horns. | 6th Jan 1932 | Box 42 \ 5 Scan182 | |
| Instructions for timing the 'Goshawk' engine, referencing drawing LeC.1124. | 26th Feb 1920 | Box 43 \ 1 Scan001 | |
| From E. discussing discrepancies in timing diagrams for the Goshawk 11 engine. | 12th Jul 1923 | Box 43 \ 1 Scan002 | |
| Technical letter discussing modifications to the Goshawk 11 engine's exhaust cam timing due to experimental results showing it as too short. | 13th Jul 1923 | Box 43 \ 1 Scan003 | |
| Comparing Goshawk engine timing results for different cam configurations and proposing a new camshaft design. | 16th Jul 1923 | Box 43 \ 1 Scan004 | |
| Goshawk engine timing, comparing the Goshawk I and II and recommending new camshafts. | 19th Jul 1923 | Box 43 \ 1 Scan005 | |
| Trial of steel camshaft wheels to resolve noise issues in 20HP engine gears. | 18th Jan 1926 | Box 43 \ 1 Scan006 | |
| Replacement of steel wheels with bronze wheels on specific chassis and engines. | 18th Jan 1926 | Box 43 \ 1 Scan007 | |
| Recurring noise issues with engine gears in 20HP and 40/50HP models and recommending the elimination of cast metal wheels. | 29th Jan 1926 | Box 43 \ 1 Scan008 | |
| Trouble with the 20 HP timing gears and the proposal to use a movable idler wheel. | 11th Aug 1927 | Box 43 \ 1 Scan009 | |
| Unapproved design of the 20 HP moveable idler wheel for the timing gears. | 16th Aug 1927 | Box 43 \ 1 Scan010 | |
| Timing gear and spring drive design, comparing Bakelite and fibre friction discs, and suggesting structural improvements. | 14th Sep 1927 | Box 43 \ 1 Scan011 | |
| Complaints of faulty exhaust manifolds bursting at the seam. | 30th Mar 1920 | Box 43 \ 1 Scan012 | |
| Modified designs for faulty exhaust manifolds and issues with welding from outside contractors. | 4th Apr 1920 | Box 43 \ 1 Scan013 | |
| Potential universal adoption of a longer chassis frame for 40/50 HP models. | 17th Nov 1920 | Box 43 \ 1 Scan014 | |
| Drawing N.Sch.1316, which shows frame modifications for the Improved 40/50 model to accommodate new features. | 19th Aug 1922 | Box 43 \ 1 Scan015 | |
| Final design for the 'Stork' frame, referencing drawing N.sch.1324. | 16th Sep 1922 | Box 43 \ 1 Scan016 | |
| List of electrical parts to be fitted to chassis 6.EX. | 3rd Jun 1920 | Box 43 \ 1 Scan017 | |
| List of experimental parts fitted to chassis 6.EX. | 22th Jun 1920 | Box 43 \ 1 Scan018 | |
| List of experimental parts fitted to the 6.EX Car. | 22th Jul 1920 | Box 43 \ 1 Scan019 | |
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